Railway-tie.



1,829,244. i in Drawing.

VINCENT T3541, GI SAN FRAIQTIISCK'), GALI'FORNIA.

EAELWAY-TIE.

Specification batters Patent.

Application filed June To all whom it may concern:

Be it known that I, VINCENT Tier, a subject of the Emperor of Austria-Hungary, re-

' siding in the city and county of San Franfie . oisco and State of California, have invented new and useful Improvements in Railway Ties, of which the following is a specification:

This invention relates to railway ties, and particularly to railway ties' made of composite material.

. The object of the present invention is to "provide a railway tie which may be molded fbf a .material' ofsuch nature as an article, of extreme resiliency', durabi-lity,

to produce toughness, inherent and which at the same time'iscomparatively inexpensive; and also to provld'e acomposltion whereof may be manufactured a variety of articles subjectedtoexposure to the elements and to great strains.

The invention consists of the' parts and -the construction and combination of parts, as hereinafter claimed.

more fully, described and Itfi's'the desideratum to provide a composition for theta-manufacture of railway ties and'other artlcles,

which are subjected to'theattack of the elements, and which are also subjected to great stresses and strains, and to various adaptations. I

- I have found by actually constructmg a tie of certain components that a very substantial, durable, tough and flexible article is produced. The components I have used are in the following proportions, and con i .sist of sand105 parts; cement-56 parts;

rially affecting the properties of sawdust-5 parts; and asphaltum-QS parts, these being approximate andrmay be varied slightly one way or the'other without matethe composition. The components are handled and treated by 'first mixing the sand and cement until somewhat and mixed together Patented June 11, 1912.

1231911. Seria1N'd.833,'?06.

thoroughly and heating the same to a temperature of approximately 400 degrees Fahrenheit, heating the asphaitum separately plastic or fluid and adding it to, and i'uixing it with, the sand-cement mixture,- and lastly adding the sawdust ingredients. The whole mixture then being somewhat plastic, is placed in suitable molds conforming to the article to be manufactured and therein given the desired form, and remains until sufficiently hardened to retain its shape when removed from the molds.

The mixture hereinbefore described produces article having the desired properties which are demandedof a railway tie, and can be manufactured in large quantities at a comparatively small expense, and considering their durability, are more advantageous than ties formed of wood, and by reason of the inherent resiliency of the composition, are superior to ties formed of witnesses.

VINCENT TISI. Witnesses:

JOHN H. HERRING, CHARLES EDELMAN. 

